CN104130378A - 硅烷改性双组份聚氨酯球场用塑胶浆料及其制备方法 - Google Patents
硅烷改性双组份聚氨酯球场用塑胶浆料及其制备方法 Download PDFInfo
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Abstract
本发明属于化学合成技术领域,具体涉及一种硅烷改性双组份聚氨酯球场用塑胶浆料及其制备方法,由A组分和B组分组成,A组份:聚醚多元醇A、扩链剂、填料、增塑剂、硅烷偶联剂、潜固化剂、着色剂、抗氧剂、光稳定剂,B组份:聚醚多元醇B1、聚醚多元醇B2、异氰酸酯、水解促进剂。本发明具有单组份湿固化硅烷改性聚氨酯球场浆料和传统双组份浆料的优点,无需加入重金属固化剂,与底部基础粘接力较强,性能优越,而且对环境水分要求不高,用本发明制作的球场各项指标均优于国标,特别适用于室内运动场及儿童游乐场所的铺设。
Description
技术领域
本发明属于化学合成技术领域,具体涉及一种硅烷改性双组份聚氨酯球场用塑胶浆料及其制备方法。
背景技术
传统双组份聚氨酯浆料,使用时需要加入固化剂,固化剂加入量较小、精确度要求高,而且一般为铅类重金属固化剂,毒性大,对人体和环境都会造成严重污染;与基础的粘结力差,投入使用后随着运动量的增大球场易出现脱层、掉皮的现象,且机械性能方面也没有优势,使用年限一般在5-8年。传统的双组份聚氨酯浆料,施工受低温限制,不宜在低温下施工,如果施工温度较低,到达-10℃以下,即使加入固化剂固化速度也非常慢,而且固化后机械性能较差,强度较低,使用年限明显缩短。
发明内容
本发明的目的是提供一种硅烷改性双组份聚氨酯球场用塑胶浆料,无需加入重金属固化剂,粘接力强,性能优越;本发明同时提供了硅烷改性双组份聚氨酯球场用塑胶浆料的制备方法,科学合理、简单易行。
本发明所述的硅烷改性双组份聚氨酯球场用塑胶浆料,由A组分和B组分组成,以重量份数计:
A组份:
B组份:
使用时,将A组份和B组份按质量比2-3:1混合即可。
所述的聚醚多元醇A为分子量2000-4000,羟值30-60mgKOH/g,低不饱和度聚醚多元醇;聚醚多元醇B1为分子量1000-3000,羟值50-60mgKOH/g,低不饱和度聚醚多元醇;聚醚多元醇B2为分子量1000-3000,羟值30-40mgKOH/g,低不饱和度聚醚多元醇。
所述的聚醚多元醇A优选MN-3050或330N,由山东蓝星东大化工有限责任公司生产;聚醚多元醇B1优选DL-2000,由山东蓝星东大化工有限责任公司生产;聚醚多元醇B2优选DL-3000,由山东蓝星东大化工有限责任公司生产。
所述的扩链剂为3,3'-二氯-4,4'-二氨基二苯甲烷(MOCA)或1,4-丁二醇中的一种或两种。
所述的填料为硅微粉、滑石粉或碳酸钙中的一种或两种,优选为硅微粉(1000目)、滑石粉(800目)或碳酸钙(800目)中的一种或两种;增塑剂为邻苯二甲酸二辛酯或环氧大豆油中的一种或两种。
所述的水解促进剂为醋酸或草酸中的一种或两种。
所述的着色剂为红色浆,优选东莞市鼎珵塑胶电子有限公司生产的红色浆;抗氧剂为2,6-二叔丁基-4-甲基苯酚(抗氧剂—264)或吩噻嗪中一种或两种;光稳定剂为2-羟基-4-甲氧基二苯甲酮(UV-9)或2,2'-二羟基-4-甲氧基二苯甲酮(UV-24)中的一种或两种。
所述的异氰酸酯为4,4-二苯基甲烷二异氰酸酯或2,4-二苯基甲烷二异氰酸酯中的一种或两种;优选烟台万华聚氨酯有限公司生产MDI-100或MDI-50中的一种或两种。
所述的硅烷偶联剂为N-β(氨乙基)-γ-氨丙基三甲氧基硅烷或N-β(氨乙基)-γ-氨丙基甲基二甲氧基硅烷中的一种或两种;N-β(氨乙基)-γ-氨丙基三甲氧基硅烷优选KBM-603日本信越公司生产,N-β(氨乙基)-γ-氨丙基甲基二甲氧基硅烷优选KBM-602日本信越公司生产。
所述的潜固化剂为ALT-101或ALT-401。
本发明所述的硅烷改性双组份聚氨酯球场用塑胶浆料的制备方法,步骤如下:
(1)A组分的制备:将称量好的聚醚多元醇A装入反应釜中搅拌,然后加入硅烷偶联剂保温50-55℃,搅拌20min后加入扩链剂、填料、着色剂、增塑剂、抗氧剂、光稳定剂,在80-90℃保持真空﹣0.095-﹣0.1Mpa脱水2.5-3小时,水分≤0.03%时,加入潜固化剂,保持75-80℃搅拌30min,即可;
(2)B组分的制备:将聚醚多元醇B1和聚醚多元醇B2常温下加入反应釜,80-100℃下搅拌,保持真空度﹣0.095-﹣0.1Mpa脱水1.5-2.5h,水分≤0.05%时,降温至40-45℃加入异氰酸酯,70-80℃反应1.5-2小时,NCO检测合格后加入水解促进剂,维持70-80℃搅拌30min即可。
本发明施工方法与传统浆料相似,A、B组分按一定比例混合均匀,直接浇注,可一次摊铺完成,无需分层摊铺,且不会起鼓。
与传统双组分聚氨酯浆料相比,硅烷改性的双组份聚氨酯浆料是真正意义上的环保型浆料,使用时无需加入传统的铅类重金属固化剂,A/B组分按一定比例直接混合均匀即可;硅烷偶联剂加入到球场浆料中有两大优势:1.提高球场与基础的粘结力,使球场不易脱层、起皮、更不易起鼓;2.大大提高球场的耐久性和耐湿热老化性能,使用寿命比普通聚氨酯浆料球场长5-10年,因此,环保型硅烷改性双组分聚氨酯球场浆料的开发和使用越来越受重视。与单组份湿固化硅烷改性聚氨酯球场浆料相比,硅烷改性双组份聚氨酯球场浆料在B组分加入水解促进剂,当A、B组分混合时,水解促进剂促进A组分中潜固化剂的水解,从而改善了传统意义上潜固化剂遇湿气水解的机理,使施工不受湿气的限制,可在低温干燥环境中顺利使用,扩大了硅烷改性聚氨酯球场浆料的使用范围。
硅烷改性双组份聚氨酯球场浆料,A组分中硅烷偶联剂与无机填料发生脱水反应,使硅烷偶联剂与其他组分牢固的结合在一起,使A组分成为一个有机体系,当A、B组分混合时,B组分中的水解促进剂首先促进潜固剂和硅烷偶联剂发生水解反应,水解后产生含胺基和羟基的活性基团,这些活性基团加速此反应的进行。此过程中无气体生产,场地固化后无气泡不起鼓,硅烷改性聚氨酯分子中含有硅氧键和极性的氨酯键,使其具有卓越的机械性能;硅烷偶联剂与无机底层发生化学反应,增加了聚氨酯球场浆料与底层的粘结力。
硅烷偶联剂的品种很多,可以作为封端剂、粘接促进剂和干燥剂应用到改性聚氨酯塑料浆料中。不同分子结构的偶联剂在聚氨酯塑料浆料中的功能和作用不同,并且直接影响聚氨酯塑料浆料的使用性能。
水解促进剂是通过调节环境PH值来加速硅烷偶联剂的水解,本发明所用的硅烷偶联剂和潜固化都可在弱酸环境下发生水解反应,PH值在3-5之间。
本发明采双组份固化模式,将硅烷偶联剂和水解促进剂分别加入A、B组分中,使反应生成含有硅氧键的聚氨酯高分子物质,大大提高其机械性能,延长聚氨酯球场的使用寿命。
本发明环保型硅烷改性双组份球场浆料场地各项性能与国标对比见表1、表2。
表1 合成材料物理性能
项目 | GB/T14833-2011 | 本发明材料 |
冲击吸收/% | 35-50 | 46 |
垂直变形/mm | 0.6-2.5 | 1.2 |
抗滑值(BPN,20℃)≥ | 47 | 70 |
拉伸强度/MPa≥ | 0.5 | 3.5 |
拉断伸长率/%≥ | 40 | 300 |
阻燃/级 | 1 | 1 |
表2 合成材料中有害物质限量
本发明与现有技术相比,具有如下有益效果:
本发明具有单组份湿固化硅烷改性聚氨酯球场浆料和传统双组份浆料的优点,无需加入重金属固化剂,与底部基础粘接力较强,性能优越,而且对环境水分要求不高,用本发明制作的球场各项指标均优于国标,特别适用于室内运动场及儿童游乐场所的铺设。
具体实施方式
以下结合实施例对本发明做进一步描述。以下实施例中各组分重量单位为kg。
实施例1
A组份:
制备A组分:将称量好的聚醚多元醇MN-3050装入500ml三口烧瓶中,打开搅拌,加入硅烷偶联剂KBM-603,保温50℃搅拌20min后开始升温,加入扩链剂MOCA、硅微粉(1000目)、红色浆、环氧大豆油、抗氧剂-264、光稳定剂UV-9,在85℃保持真空-0.095Mpa脱水3小时,水分为0.02%,加入潜固化剂ALT-101,保温80℃,充氮气保护混合搅拌30min,装料;
B组份:
制备B组分:将聚醚多元醇DL-2000,DL-3000常温下加入反应釜,保温90℃下搅拌,保持真空度-0.095Mpa脱水2h,水分为0.05%,然后降温至45℃加入异氰酸酯MDI-50,保温80℃反应2小时,NCO检测合格后加入水解促进剂,继续保温在70-80℃之间搅拌30min,装料。
取A组分100g、B组分50g混合搅拌均匀,脱泡,浇注。
实施例2
A组份:
制备A组分:将称量好的聚醚多元醇330N装入500ml三口烧瓶中,打开搅拌,加入硅烷偶联剂KBM-602,保温50℃搅拌20min后开始升温,加入扩链剂MOCA、滑石粉(800目)、红色浆、增塑剂DOP、抗氧剂-264、光稳定剂UV-9,在85℃保持真空-0.095Mpa脱水3小时,水分为0.03%,加入潜固化剂ALT-401,保温80℃,充氮气保护混合搅拌30min,装料;
B组份:
制备B组分:将聚醚多元醇DL-2000,DL-3000常温下加入反应釜,保温90℃下搅拌,保持真空度-0.095Mpa脱水2h,水分为0.05%,然后降温至45℃加入异氰酸酯MDI-50,保温80℃反应2小时,NCO检测合格后加入水解促进剂,继续保温在70-80℃之间搅拌30min,装料。
取A组分100g、B组分40g混合搅拌均匀,脱泡,浇注。
实施例3
A组份:
制备A组分:将称量好的聚醚多元醇MN-3050装入500ml三口烧瓶中,打开搅拌,加入硅烷偶联剂KBM-602、KBM-603保温50℃搅拌20min后开始升温,加入扩链剂1,4-丁二醇、碳酸钙(800目)、红色浆、环氧大豆油、抗氧剂-264、光稳定剂UV-9,在85℃保持真空-0.095Mpa脱水3小时,水分为0.03%,加入潜固化剂ALT-101,保温80℃,充氮气保护混合搅拌30min,装料;
B组份:
制备B组分:将聚醚多元醇DL-2000,DL-3000常温下加入反应釜,保温90℃下搅拌,保持真空度-0.095Mpa脱水2h,水分为0.05%,然后降温至45℃加入异氰酸酯MDI-50、MDI-100,保温80℃反应2小时,NCO检测合格后加入水解促进剂醋酸,继续保温在70-80℃之间搅拌30min,装料。
取A组分100g、B组分33.3g混合搅拌均匀,脱泡,浇注。
实施例中测试结果的各项性能见表3。
表3 实施例中测试结果的各项性能
由表3可以看出,本发明的硅烷改性双组份聚氨酯球场浆料,完全可以满足聚氨酯球场各项性能指标要求。
Claims (10)
1.一种硅烷改性双组份聚氨酯球场用塑胶浆料,由A组分和B组分组成,其特征在于以重量份数计:
A组份:
B组份:
使用时,将A组份和B组份按质量比2-3:1混合即可。
2.根据权利要求1所述的硅烷改性双组份聚氨酯球场用塑胶浆料,其特征在于所述的聚醚多元醇A为分子量2000-4000,羟值30-60mgKOH/g,低不饱和度聚醚多元醇;聚醚多元醇B1为分子量1000-3000,羟值50-60mgKOH/g,低不饱和度聚醚多元醇;聚醚多元醇B2为分子量1000-3000,羟值30-40mgKOH/g,低不饱和度聚醚多元醇。
3.根据权利要求1所述的硅烷改性双组份聚氨酯球场用塑胶浆料,其特征在于所述的扩链剂为3,3'-二氯-4,4'-二氨基二苯甲烷或1,4-丁二醇中的一种或两种。
4.根据权利要求1所述的硅烷改性双组份聚氨酯球场用塑胶浆料,其特征在于所述的填料为硅微粉、滑石粉或碳酸钙中的一种或两种;增塑剂为邻苯二甲酸二辛酯或环氧大豆油中的一种或两种。
5.根据权利要求1所述的硅烷改性双组份聚氨酯球场用塑胶浆料,其特征在于所述的水解促进剂为醋酸或草酸中的一种或两种。
6.根据权利要求1所述的硅烷改性双组份聚氨酯球场用塑胶浆料,其特征在于所述的着色剂为红色浆;抗氧剂为2,6-二叔丁基-4-甲基苯酚或吩噻嗪中一种或两种;光稳定剂为2-羟基-4-甲氧基二苯甲酮或2,2'-二羟基-4-甲氧基二苯甲酮中的一种或两种。
7.根据权利要求1所述的硅烷改性双组份聚氨酯球场用塑胶浆料,其特征在于所述的异氰酸酯为4,4-二苯基甲烷二异氰酸酯或2,4-二苯基甲烷二异氰酸酯中的一种或两种。
8.根据权利要求1所述的硅烷改性双组份聚氨酯球场用塑胶浆料,其特征在于所述的硅烷偶联剂为N-β(氨乙基)-γ-氨丙基三甲氧基硅烷或N-β(氨乙基)-γ-氨丙基甲基二甲氧基硅烷中的一种或两种。
9.根据权利要求1所述的硅烷改性双组份聚氨酯球场用塑胶浆料,其特征在于所述的潜固化剂为ALT-101或ALT-401。
10.一种权利要求1-9任一所述的硅烷改性双组份聚氨酯球场用塑胶浆料的制备方法,其特征在于步骤如下:
(1)A组分的制备:将称量好的聚醚多元醇A装入反应釜中搅拌,然后加入硅烷偶联剂保温50-55℃,搅拌20min后加入扩链剂、填料、着色剂、增塑剂、抗氧剂、光稳定剂,在80-90℃保持真空﹣0.095-﹣0.1Mpa脱水2.5-3小时,水分≤0.03%时,加入潜固化剂,保持75-80℃搅拌30min,即可;
(2)B组分的制备:将聚醚多元醇B1和聚醚多元醇B2常温下加入反应釜,80-100℃下搅拌,保持真空度﹣0.095-﹣0.1Mpa脱水1.5-2.5h,水分≤0.05%时,降温至40-45℃加入异氰酸酯,70-80℃反应1.5-2小时,NCO检测合格后加入水解促进剂,维持70-80℃搅拌30min即可。
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